It is not known exactly why some cacti produce a blue like substance on the skin. It is theorised that it acts as sort of sunscreen. The cactus featured is a Melocactus azureus, from my person collection.
It is not known exactly why some cacti produce a blue like substance on the skin. It is theorised that it acts as sort of sunscreen. The cactus featured is a Melocactus azureus, from my person collection.
Nice picture Prickly